The items are comply with IEC60309 standard.              
1) Industrial socket, plug, connector.              
2) pole: 3pole (2P+E), 4Pole(3P+E), 5pole(3P+N+E).              
3) Current: 16Amp, 32Amp, 63Amp             
4) Voltage: 110V, 110-130V, 220V, 240V, 220-240V, 220-380V-415V, 380-415V, 240-415V. Etc.              
5) color: Blue, yellow, red color.              
6) CE, CCC, (TUV under application)             
All plastic materials are PA66 from Japan, welcome inquiries from all over the world.